Inventor
Roger Tailby
Inventor
.ANG.lg.ang.rd, NO
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling100%
PatentTitleYear
5,390,739'Hydraulic tool and hydraulic pressure device'19955,337,819'Washing tool'19945,163,515'Pumpdown toolstring operations in horizontal or high-deviation oil or gas wells'19925,141,056'Injection valve for injecting chemicals and similar liquid substances into subsurface formations'19925,135,050'Device for collecting particulate matter and debris in horizontal or high-deviation oil or gas wells'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–1995Patents assigned to NORSKE STATS OLJESELSKAP (5)· patent assignee history
1992–1995Based in .ANG.lg.ang.rd, NO· patent location history
1992Based in Alg.ang.rd, NO· patent location history
1994Based in Algard, NO· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NORSKE STATS OLJESELSKAP | 5 | 1992–1995 |
Locations
| Location | Patents | Span |
|---|---|---|
| .ANG.lg.ang.rd, NO | 3 | 1992–1995 |
| Algard, NO | 1 | 1994 |
| Alg.ang.rd, NO | 1 | 1992 |